12 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Chikungunya - Herpes virus ... Reactive Syndrome - Acute ... Ligamentous injuries - Meniscal ... #msk #physicalexam
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ...  Most common cause ... of acute flaccid ... Differential diagnosis ...  West Nile virus
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
- Summary Acute ... COVID 19 - Zika virus ... Clinical Features ... Diagnosis: • ... axonal form • MRI
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
(GBS) Acute autoimmune ... Incidence: 1 to 2 cases ... virus, human immunodeficiency ... virus (HIV), and ... Zika virus • Other
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... Labyrinthitis ○ Epstein-Barr ... virus ○ Group ... Herpes simplex virus ... Herpes zoster virus
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
immunodeficiency virus ... days or weeks • Virus ... DDX: • Epstein-Barr ... virus (EBV) • ... ART to slow HIV disease
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... , MOG-IgG test should ... • Infectious causes ... zoster, West Nile virus ... Herpes simplex virus
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... weeks) Can Be Caused ... burgdorferi • Virus ... • Hepatitis B virus ... #MSK #rheumatology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... infections • Herpes virus ... neuropathy (LHON) plus MRI ... lesions and clinical ... consistent with MS
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Herpes Simplex Virus ... Imaging: - MRI ... caused by the JC ... virus • Symptoms ... • JC-virus PCR